Earth, The: Inside and Out

This examination of Earth's composition and forces includes the following segments:

* Energy From Earth's Interior--Shows how heat plays a fundamental role in shaping Earth's surface. * The Earth's Crust-- Explores the differences between continental and ocean crust. * Plate Tectonics--Reviews how Earth's crust is constantly changing. * Volcanoes--Shows how the collision of tectonic plates sends hot magma shooting up through fissures in the crust. * Earthquakes--Explores how earthquakes are created and why some of the most dangerous ones occur on the ocean floor. * Mountain Building--Examines how friction and stress along plate boundaries have created some of the most dramatic land forms on our planet.